TWI721042B - 用於在顯示器串流壓縮中固定點近似之系統及方法 - Google Patents

用於在顯示器串流壓縮中固定點近似之系統及方法 Download PDF

Info

Publication number
TWI721042B
TWI721042B TW105137961A TW105137961A TWI721042B TW I721042 B TWI721042 B TW I721042B TW 105137961 A TW105137961 A TW 105137961A TW 105137961 A TW105137961 A TW 105137961A TW I721042 B TWI721042 B TW I721042B
Authority
TW
Taiwan
Prior art keywords
block
value
video data
buffer
scale factor
Prior art date
Application number
TW105137961A
Other languages
English (en)
Chinese (zh)
Other versions
TW201722155A (zh
Inventor
納坦 海姆 雅各布森
維賈伊拉加哈萬 提拉魯馬萊
伊克 伊奇茲揚
瑞珍 雷克斯曼 喬許
Original Assignee
美商高通公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 美商高通公司 filed Critical 美商高通公司
Publication of TW201722155A publication Critical patent/TW201722155A/zh
Application granted granted Critical
Publication of TWI721042B publication Critical patent/TWI721042B/zh

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/192Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/115Selection of the code volume for a coding unit prior to coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124Quantisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146Data rate or code amount at the encoder output
    • H04N19/149Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146Data rate or code amount at the encoder output
    • H04N19/152Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/19Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding using optimisation based on Lagrange multipliers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
TW105137961A 2015-11-19 2016-11-18 用於在顯示器串流壓縮中固定點近似之系統及方法 TWI721042B (zh)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US201562257604P 2015-11-19 2015-11-19
US62/257,604 2015-11-19
US201562264067P 2015-12-07 2015-12-07
US62/264,067 2015-12-07
US201662305314P 2016-03-08 2016-03-08
US62/305,314 2016-03-08
US15/353,468 2016-11-16
US15/353,468 US10432952B2 (en) 2015-11-19 2016-11-16 System and methods for fixed-point approximations in display stream compression (DSC)

Publications (2)

Publication Number Publication Date
TW201722155A TW201722155A (zh) 2017-06-16
TWI721042B true TWI721042B (zh) 2021-03-11

Family

ID=57485923

Family Applications (1)

Application Number Title Priority Date Filing Date
TW105137961A TWI721042B (zh) 2015-11-19 2016-11-18 用於在顯示器串流壓縮中固定點近似之系統及方法

Country Status (9)

Country Link
US (1) US10432952B2 (ja)
EP (1) EP3378230B1 (ja)
JP (1) JP6772266B2 (ja)
KR (1) KR102101107B1 (ja)
CN (2) CN111726628B (ja)
AU (1) AU2016355664B2 (ja)
BR (1) BR112018010137A8 (ja)
TW (1) TWI721042B (ja)
WO (1) WO2017087626A1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11546611B2 (en) 2018-08-01 2023-01-03 Samsung Display Co., Ltd. Rate control for fixed rate foveated display compression
CN109246443B (zh) * 2018-11-28 2021-03-23 湖南快乐阳光互动娱乐传媒有限公司 一种直播流切片同步方法及系统
US20220046257A1 (en) * 2020-08-05 2022-02-10 Facebook, Inc. Quality metrics accelerator with inline scalers
CN112437300B (zh) * 2020-11-23 2022-04-15 武汉理工大学 一种基于自适应区间重叠因子的分布式视频编码方法
WO2023049292A1 (en) * 2021-09-22 2023-03-30 Beijing Dajia Internet Information Technology Co., Ltd. Methods and devices for decoder-side intra mode derivation
KR102611423B1 (ko) * 2022-07-01 2023-12-07 주식회사 네패스 이미지 스케일링 장치 및 이미지 스케일링 방법

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110090960A1 (en) * 2008-06-16 2011-04-21 Dolby Laboratories Licensing Corporation Rate Control Model Adaptation Based on Slice Dependencies for Video Coding
US20140092960A1 (en) * 2012-10-03 2014-04-03 Broadcom Corporation Bounded Rate Compression With Rate Control For Slices
WO2014107264A1 (en) * 2013-01-04 2014-07-10 Qualcomm Incorporated Method and apparatus of reducing compression noise in digital video streams

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1513350A1 (en) * 2003-09-03 2005-03-09 Thomson Licensing S.A. Process and arrangement for encoding video pictures
US7697608B2 (en) * 2004-02-03 2010-04-13 Sony Corporation Scalable MPEG video/macro block rate control
CA2654116C (en) * 2006-06-26 2013-04-02 Qualcomm Incorporated Efficient fixed-point approximations of forward and inverse discrete cosine transforms
WO2009157159A1 (ja) * 2008-06-24 2009-12-30 パナソニック株式会社 記録媒体、再生装置、集積回路、再生方法、プログラム
US8897365B2 (en) 2008-11-19 2014-11-25 Nvidia Corporation Video rate control processor for a video encoding process
CN103918262B (zh) * 2011-06-14 2017-11-10 王舟 基于结构相似度的码率失真优化感知视频编码方法和系统
US9936200B2 (en) * 2013-04-12 2018-04-03 Qualcomm Incorporated Rice parameter update for coefficient level coding in video coding process
US9930346B2 (en) 2014-04-15 2018-03-27 Qualcomm Incorporated System and method for flatness detection for display stream compression (DSC)
US9848193B2 (en) * 2014-04-15 2017-12-19 Qualcomm Incorporated System and method for selecting quantization parameter (QP) in display stream compression (DSC)
US9866853B2 (en) 2014-04-15 2018-01-09 Qualcomm Incorporated System and method for lagrangian parameter calculation for display stream compression (DSC)
US10356428B2 (en) 2015-04-13 2019-07-16 Qualcomm Incorporated Quantization parameter (QP) update classification for display stream compression (DSC)

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110090960A1 (en) * 2008-06-16 2011-04-21 Dolby Laboratories Licensing Corporation Rate Control Model Adaptation Based on Slice Dependencies for Video Coding
US20140092960A1 (en) * 2012-10-03 2014-04-03 Broadcom Corporation Bounded Rate Compression With Rate Control For Slices
WO2014107264A1 (en) * 2013-01-04 2014-07-10 Qualcomm Incorporated Method and apparatus of reducing compression noise in digital video streams

Also Published As

Publication number Publication date
TW201722155A (zh) 2017-06-16
EP3378230B1 (en) 2020-12-16
CN108353170A (zh) 2018-07-31
CN108353170B (zh) 2020-07-07
BR112018010137A8 (pt) 2019-02-26
CN111726628A (zh) 2020-09-29
US10432952B2 (en) 2019-10-01
AU2016355664B2 (en) 2020-05-28
CN111726628B (zh) 2022-03-22
KR102101107B1 (ko) 2020-04-14
BR112018010137A2 (pt) 2018-11-13
KR20180083861A (ko) 2018-07-23
EP3378230A1 (en) 2018-09-26
US20170150158A1 (en) 2017-05-25
JP2018538742A (ja) 2018-12-27
AU2016355664A1 (en) 2018-04-26
JP6772266B2 (ja) 2020-10-21
WO2017087626A1 (en) 2017-05-26

Similar Documents

Publication Publication Date Title
TWI721042B (zh) 用於在顯示器串流壓縮中固定點近似之系統及方法
JP6921873B2 (ja) ディスプレイストリーム圧縮のためのサブストリーム多重化
TWI743098B (zh) 用於在顯示串流壓縮中量化參數之適應性計算的裝置及方法
EP3132605B1 (en) System and method for lagrangian parameter calculation for display stream compression (dsc)
EP3378231A1 (en) System and methods for reducing slice boundary visual artifacts in display stream compression (dsc)
KR20170137076A (ko) 복잡도 측정에 기초한 디스플레이 스트림 압축 (dsc) 을 위한 양자화 파라미터 (qp) 계산
JP2018515015A (ja) ディスプレイストリーム圧縮(dsc)のための量子化パラメータ(qp)更新分類
KR102175662B1 (ko) 디스플레이 스트림 압축 (dsc) 에서의 왜곡을 계산하기 위한 시스템 및 방법들
KR102112942B1 (ko) 디스플레이 스트림 압축에 대한 지각적 양자화 파라미터 (qp) 가중을 위한 장치 및 방법들
US10123045B2 (en) Modification to block size for transform mode in display stream compression

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees